CN108964802B - Infrared space signal intensity measurement system and measurement method - Google Patents
Infrared space signal intensity measurement system and measurement method Download PDFInfo
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Abstract
The invention discloses an infrared space signal intensity measuring system and a measuring method, comprising a first driving motor, a second driving motor and a first driving motor, wherein the first driving motor is used for controlling an infrared transmitter to rotate according to a preset angle; the second driving motor is used for controlling the infrared receiver to move along a preset track, and the infrared receiver receives the infrared signal transmitted by the infrared transmitter and measures the receiving power of the infrared signal; the main control chip is used for controlling the rotation angle of the infrared transmitter and the moving distance of the infrared receiver and acquiring the receiving power of each position of the infrared receiver; the infrared radiation imaging system also comprises a control terminal, wherein the control terminal is in communication connection with the main control chip and draws an infrared radiation pattern; therefore, the automatic acquisition of infrared data and the automatic positioning function of the infrared transmitter and the infrared receiver are realized, the manual participation is greatly reduced, the data accuracy is higher, and the space coverage rate of the infrared transmitting signals can be more accurately detected.
Description
Technical Field
The invention relates to an infrared space signal intensity measuring system and a measuring method.
Background
Currently, infrared remote control is becoming more popular, and designers of remote controllers need to test the emission intensity in infrared in multiple ranges. The test method in the prior art mostly adopts the following steps: fixing the infrared receiver, adjusting the direction of the infrared transmitter, and recording the infrared transmitting power. The error of the testing method is large, the degree of manual participation is high, the parameter error is large, and errors are easy to make mistakes in the data copying process.
Disclosure of Invention
The invention provides an infrared space signal intensity measuring system and a measuring method for solving the problems, which can realize the functions of automatic acquisition of infrared data and automatic positioning of an infrared transmitter and a receiver, thereby greatly reducing the degree of manual participation and having higher data accuracy.
In order to achieve the purpose, the invention adopts the technical scheme that:
an infrared spatial signal strength measurement system, comprising:
the first driving motor is used for controlling the infrared emitter to rotate according to a preset angle;
the second driving motor is used for controlling the infrared receiver to move along a preset track, and the infrared receiver receives the infrared signal transmitted by the infrared transmitter and measures the receiving power of the infrared signal;
the main control chip is used for controlling the first driving motor to control the rotating angle of the infrared transmitter, controlling the second driving motor to control the moving distance of the infrared receiver and acquiring the receiving power of each position of the infrared receiver;
the control terminal is in communication connection with the main control chip, the control terminal or the main control chip performs data statistics according to the rotation angle of the infrared transmitter, the moving distance of the infrared receiver and the receiving power of the infrared receiver corresponding to different rotation angles and different moving distances, and the control terminal performs drawing of an infrared radiation diagram according to data statistics results;
the infrared emitter is arranged on the rotary chassis, and the first driving motor drives the rotary chassis and drives the infrared emitter to rotate according to a preset angle; the infrared receiver is movably connected to the arc-shaped guide rod and moves along the arc-shaped guide rod under the driving of the second driving motor;
the rotating shaft of the rotating chassis extends into the mounting base and is in linkage fit with the first driving motor, and the rotating shaft of the rotating chassis is driven by the first driving motor so as to drive the rotating chassis to rotate; the infrared receiver is provided with a moving guide groove which is in sliding sleeve fit with the arc-shaped guide rod; the infrared receiver is provided with a receiving lens, and the receiving lens faces one side of the infrared transmitter;
the control terminal draws an infrared radiation diagram according to the data statistical result, and the drawing step comprises the following steps: when the infrared receiver is located at the initial position, the control terminal establishes a polar coordinate in the horizontal direction, the infrared transmitter is used as a pole of the polar coordinate, the rotating angle of the infrared transmitter is used as a polar angle, and the received power obtained through measurement is used as a polar diameter; when the infrared transmitter rotates by 360 degrees, the control terminal marks the measured received power on the polar coordinates, and the adjacent polar coordinates are connected together by adopting line segments to form an infrared radiation diagram in the horizontal direction at the initial position; when the infrared receiver moves to the next position along a preset track, the control terminal establishes a height coordinate in the horizontal polar coordinate direction according to the position of the infrared receiver provided by the main control chip, and the height coordinate axis passes through the pole of the polar coordinate and is perpendicular to the polar coordinate; establishing a new polar coordinate in the horizontal direction at the position of the height coordinate, and forming a new infrared radiation diagram in the horizontal direction at the current position at the height coordinate according to the measuring method at the initial position; and so on until the infrared receiver moves to the final position, and a new infrared radiation diagram in the horizontal direction at the final position is formed at the height coordinate corresponding to the final position; and the control terminal synthesizes the infrared radiation images with different height coordinates into a three-dimensional infrared radiation image.
Preferably, the first driving motor is further provided with a first rotation speed detection module, and the first driving motor is subjected to rotation speed detection through the first rotation speed detection module so as to calculate the rotation angle of the infrared emitter; the second driving motor is further provided with a second rotating speed detection module, and the second rotating speed detection module is used for detecting the rotating speed of the second driving motor so as to calculate the moving distance of the infrared receiver.
Preferably, the device also comprises an infrared emission control module used for controlling the infrared emitter to emit infrared signals; and the control terminal or the main control chip performs data statistics and establishes an infrared radiation diagram model according to the rotation angle of the infrared transmitter, the moving distance of the infrared receiver and the receiving power of the infrared receiver corresponding to different rotation angles and different moving distances, and draws an infrared radiation diagram according to the infrared radiation diagram model.
Preferably, the main control chip obtains the received power of each position of the infrared receiver and then transmits the received power to the control terminal at preset intervals, or transmits the received power to the control terminal every time a measured value of the received power is obtained, and the control terminal performs statistics on all data and draws an infrared radiation diagram.
Preferably, the infrared receiver measures the received power of the infrared signal, and the measuring step includes:
the infrared receiver is fixed at an initial position, the infrared transmitter starts from 0 degrees and rotates to 360 degrees under the control of the first driving motor, and the infrared receiver measures the received power of the infrared transmitter at different rotation angles from 0 degrees to 360 degrees at the initial position;
the infrared receiver moves to the next position along a preset track under the control of the second driving motor, the infrared emitter starts from 0 degrees and rotates to 360 degrees under the control of the first driving motor, and the infrared receiver measures the receiving power of the infrared emitter at the current position at different rotation angles from 0 degrees to 360 degrees;
and the like until the infrared receiver moves to the final position, and measuring the received power of the infrared transmitter at the final position at different rotation angles from 0 to 360 degrees.
Further, the preset trajectory is an arc-shaped trajectory from 0 degree to 90 degrees, the initial position is 0 degree, and the final position is 90 degrees; alternatively, the initial position is 90 ° and the final position is 0 °.
Further, the infrared transmitter rotates 360 degrees along with the rotating chassis, the infrared receiver moves along the arc-shaped guide rod, and the moving range is larger than or equal to 90 degrees.
Correspondingly, the invention also provides an infrared space signal intensity measuring method which is carried out by adopting the infrared space signal intensity measuring system.
The invention has the beneficial effects that:
(1) according to the invention, data statistics and infrared radiation diagram drawing are carried out according to the rotation angle of the infrared transmitter, the moving distance of the infrared receiver and the receiving power of the infrared receiver corresponding to different rotation angles and different moving distances, so that the automatic acquisition of infrared data is realized, and the functions of automatic positioning of the infrared transmitter and the infrared receiver are realized, thereby greatly reducing the manual participation degree and having higher data accuracy.
(2) The rotation angle of the infrared transmitter and the moving distance of the infrared receiver are calculated through rotation speed detection, the algorithm is simpler, and the calculation result is more accurate;
(3) the infrared transmitter rotates 360 degrees along with the rotating chassis, and the infrared receiver moves within a 90-degree range along the arc-shaped guide rod, so that the space range of infrared transmitting signals can be more completely covered, and the structural layout is more compact;
(4) the measuring method and the drawing method of the invention are adopted to construct the three-dimensional infrared radiation diagram, so that the measured data is more comprehensive and more visual, and a user can comprehensively know infrared emission parameters, such as infrared emission angles and emission powers in different directions.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic diagram of an infrared spatial signal strength measurement system according to one embodiment of the present invention;
FIG. 2 is a second schematic diagram of an infrared spatial signal strength measurement system according to the present invention;
FIG. 3 is a schematic diagram of a frame of an infrared spatial signal strength measurement system according to a first embodiment of the present embodiment;
FIG. 4 is a schematic diagram of a frame of an infrared spatial signal strength measurement system according to a second embodiment of the present embodiment;
in the figure:
10-mounting a bracket; 11-mounting a base; 12-arc guide rod;
20-rotating the chassis; 21-infrared emitter to be measured;
30-an infrared receiver; 31-a moving guide groove; 32-receive lens.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 3, an infrared spatial signal strength measuring system of the present invention includes:
a first driving motor for controlling the infrared emitter 21 to rotate according to a preset angle;
the second driving motor is used for controlling the infrared receiver 30 to move along a preset track, the infrared receiver 30 receives the infrared signal emitted by the infrared emitter 21, and the receiving power of the infrared signal is measured;
a main control chip for controlling the first driving motor to control the rotation angle of the infrared transmitter 21, controlling the second driving motor to control the moving distance of the infrared receiver 30, and acquiring the receiving power of each position of the infrared receiver 30;
the infrared radiation imaging system is characterized by further comprising a control terminal, wherein the control terminal is in communication connection with the main control chip, the control terminal or the main control chip carries out data statistics according to the rotation angle of the infrared transmitter 21, the moving distance of the infrared receiver 30 and the receiving power of the infrared receiver 30 corresponding to different rotation angles and different moving distances, and the control terminal draws an infrared radiation diagram according to data statistics results.
In this embodiment, the control terminal is a PC, and software that can communicate with the main control chip is installed on the PC, and the communication between the control terminal and the main control chip can be performed in a wireless or USB, serial port, or other bus manner.
As shown in fig. 1 and fig. 2, in this embodiment, the measurement system includes a mounting bracket 10 and a rotating chassis 20, the mounting bracket 10 includes a mounting base 11 and an arc-shaped guide rod 12, the rotating chassis 20 is rotatably mounted on the mounting base 11, the arc-shaped guide rod 12 is disposed above the rotating chassis 20, and the first driving motor drives the rotating chassis 20 and drives the infrared emitter 21 to rotate according to a preset angle; the infrared receiver 30 is movably attached to the arc-shaped guide rod 12 and moves along the arc-shaped guide rod 12 under the driving of the second driving motor. The rotating shaft of the rotating chassis 20 extends into the mounting base 11 to be in linkage fit with the first driving motor, and the rotating shaft of the rotating chassis 20 is driven by the first driving motor to drive the rotating chassis 20 to rotate. The infrared receiver 30 is provided with a moving guide groove 31 which is in sliding sleeve fit with the arc-shaped guide rod 12. The infrared receiver 30 is provided with a receiving lens 32, and the receiving lens 32 faces a side of the infrared transmitter 21.
The rotation range of the rotating chassis 20 can be adjusted as required, and the stroke of the arc-shaped guide rod 12 can be correspondingly adjusted and designed according to the rotation range of the rotating chassis 20, so that the two are matched to completely cover the space range of the infrared emission signal. In this embodiment, the infrared emitter 21 rotates 360 ° with the rotating chassis 20, and the infrared receiver 30 moves along the arc-shaped guide rod 12, and the moving range is greater than or equal to 90 °. Alternatively, rotation 20 may be rotated 180 ° and the range of movement of infrared receiver 30 over arcuate guide 12 may be greater than or equal to 180 °. And so on.
As shown in fig. 4, in this embodiment, preferably, the apparatus further includes an infrared emission control module, configured to control the infrared emitter to emit an infrared signal; and the rotating speed detection is carried out on the first driving motor to obtain the rotating angle of the rotating disc, and similarly, the position of the infrared receiver on the arc-shaped guide rod is calculated by calculating the rotating speed of the second driving motor. Specifically, the method comprises the following steps: the first driving motor is further provided with a first rotating speed detection module, and the first rotating speed detection module is used for detecting the rotating speed of the first driving motor so as to calculate the rotating angle of the infrared emitter 21; the second driving motor is further provided with a second rotating speed detection module, and the second rotating speed detection module is used for detecting the rotating speed of the second driving motor so as to calculate the moving distance of the infrared receiver 30. Wherein, the first drive motor and the second drive motor adopt motors with controllable angles, and preferably adopt stepping motors. The main control chip can acquire the position of the infrared receiver on the guide rod through calculation by controlling the rotating angle of the second driving motor; similarly, the main control chip can obtain the rotating angle of the rotating chassis by controlling the rotating angle of the first driving motor.
In this embodiment, the control terminal or the main control chip performs data statistics and establishes an infrared radiation pattern model according to the rotation angle of the infrared transmitter 21, the moving distance of the infrared receiver 30, and the receiving power of the infrared receiver 30 corresponding to different rotation angles and different moving distances, and draws an infrared radiation pattern according to the infrared radiation pattern model. After acquiring the received power of each position of the infrared receiver 30, the main control chip transmits the received power to the control terminal at preset intervals, or transmits the received power to the control terminal every time a measured value of the received power is acquired, and the control terminal counts all data and draws an infrared radiation diagram.
The infrared receiver 30 measures the received power of the infrared signal, and the measuring step includes:
the infrared receiver 30 is fixed at an initial position, the infrared emitter 21 starts from 0 ° and rotates to 360 ° under the control of the first driving motor, and the infrared receiver 30 measures the received power of the infrared emitter 21 at the initial position from different rotation angles of 0 ° to 360 °;
the infrared receiver 30 moves to the next position along a preset trajectory under the control of the second driving motor, the infrared emitter 21 starts from 0 ° and rotates to 360 ° under the control of the first driving motor, and the infrared receiver 30 measures the received power of the infrared emitter 21 at the current position at different rotation angles from 0 ° to 360 °;
and so on until the infrared receiver 30 moves to the final position, and measures the received power of the infrared transmitter 21 at the final position at different rotation angles from 0 ° to 360 °.
The control terminal draws an infrared radiation diagram according to the data statistical result, and the drawing steps comprise:
when the infrared receiver 30 is located at the initial position, the control terminal establishes a polar coordinate in the horizontal direction, takes the infrared transmitter 21 as a pole of the polar coordinate, takes the rotation angle of the infrared transmitter 21 as a polar angle, and takes the measured received power as a polar diameter; when the infrared transmitter 21 rotates by 360 degrees, the control terminal marks the measured received power on the polar coordinates, and connects adjacent polar coordinates together by adopting line segments to form an infrared radiation diagram in the horizontal direction at the initial position;
when the infrared receiver 30 moves to the next position along the preset track, the control terminal establishes a height coordinate in the horizontal polar coordinate direction according to the position of the infrared receiver 30 provided by the main control chip, and the height coordinate axis passes through the pole of the polar coordinate and is perpendicular to the polar coordinate; establishing a new polar coordinate in the horizontal direction at the position of the height coordinate, and forming a new infrared radiation diagram in the horizontal direction at the current position at the height coordinate according to the measuring method at the initial position;
and so on, until the infrared receiver 30 moves to the final position, and a new horizontal infrared radiation pattern at the final position is formed at the height coordinate corresponding to the final position;
and the control terminal synthesizes the infrared radiation images with different height coordinates into a three-dimensional infrared radiation image.
Wherein the preset trajectory is an arc-shaped trajectory from 0 ° to 90 °, the initial position is 0 °, and the final position is 90 °; alternatively, the initial position is 90 ° and the final position is 0 °.
Correspondingly, the invention also provides an infrared space signal intensity measuring method, which comprises the following steps:
a. controlling an infrared transmitter to transmit an infrared signal;
b. controlling the infrared transmitter to rotate according to a preset angle;
c. controlling an infrared receiver to move along a preset track, wherein the infrared receiver receives an infrared signal transmitted by the infrared transmitter and measures the receiving power of the infrared signal;
d. controlling a rotation angle of the infrared transmitter and a moving distance of the infrared receiver, and acquiring a reception power of each position of the infrared receiver;
e. and performing data statistics according to the rotation angle of the infrared transmitter, the moving distance of the infrared receiver and the receiving power of the infrared receiver corresponding to different rotation angles and different moving distances, and drawing an infrared radiation diagram according to the data statistics result.
It should be noted that, in the present specification, the embodiments are all described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other. As for the method embodiment, since it is basically similar to the system embodiment, the description is simple, and the relevant points can be referred to the partial description of the system embodiment.
While the foregoing description shows and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as described herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. An infrared spatial signal strength measurement system, comprising:
the first driving motor is used for controlling the infrared emitter to rotate according to a preset angle;
the second driving motor is used for controlling the infrared receiver to move along a preset track, and the infrared receiver receives the infrared signal transmitted by the infrared transmitter and measures the receiving power of the infrared signal;
the main control chip is used for controlling the first driving motor to control the rotating angle of the infrared transmitter, controlling the second driving motor to control the moving distance of the infrared receiver and acquiring the receiving power of each position of the infrared receiver;
the control terminal is in communication connection with the main control chip, the control terminal or the main control chip performs data statistics according to the rotation angle of the infrared transmitter, the moving distance of the infrared receiver and the receiving power of the infrared receiver corresponding to different rotation angles and different moving distances, and the control terminal performs drawing of an infrared radiation diagram according to data statistics results;
the infrared emitter is arranged on the rotary chassis, and the first driving motor drives the rotary chassis and drives the infrared emitter to rotate according to a preset angle; the infrared receiver is movably connected to the arc-shaped guide rod and moves along the arc-shaped guide rod under the driving of the second driving motor;
the rotating shaft of the rotating chassis extends into the mounting base and is in linkage fit with the first driving motor, and the rotating shaft of the rotating chassis is driven by the first driving motor so as to drive the rotating chassis to rotate; the infrared receiver is provided with a moving guide groove which is in sliding sleeve fit with the arc-shaped guide rod; the infrared receiver is provided with a receiving lens, and the receiving lens faces one side of the infrared transmitter;
the control terminal draws an infrared radiation diagram according to the data statistical result, and the drawing step comprises the following steps: when the infrared receiver is located at the initial position, the control terminal establishes a polar coordinate in the horizontal direction, the infrared transmitter is used as a pole of the polar coordinate, the rotating angle of the infrared transmitter is used as a polar angle, and the received power obtained through measurement is used as a polar diameter; when the infrared transmitter rotates by 360 degrees, the control terminal marks the measured received power on the polar coordinates, and the adjacent polar coordinates are connected together by adopting line segments to form an infrared radiation diagram in the horizontal direction at the initial position; when the infrared receiver moves to the next position along a preset track, the control terminal establishes a height coordinate in the horizontal polar coordinate direction according to the position of the infrared receiver provided by the main control chip, and the height coordinate axis passes through the pole of the polar coordinate and is perpendicular to the polar coordinate; establishing a new polar coordinate in the horizontal direction at the position of the height coordinate, and forming a new infrared radiation diagram in the horizontal direction at the current position at the height coordinate according to the measuring method at the initial position; and so on until the infrared receiver moves to the final position, and a new infrared radiation diagram in the horizontal direction at the final position is formed at the height coordinate corresponding to the final position; and the control terminal synthesizes the infrared radiation images with different height coordinates into a three-dimensional infrared radiation image.
2. An infrared spatial signal strength measurement system according to claim 1, wherein:
the first driving motor is further provided with a first rotating speed detection module, and the first rotating speed detection module is used for detecting the rotating speed of the first driving motor so as to calculate the rotating angle of the infrared emitter;
the second driving motor is further provided with a second rotating speed detection module, and the second rotating speed detection module is used for detecting the rotating speed of the second driving motor so as to calculate the moving distance of the infrared receiver.
3. An infrared spatial signal strength measurement system according to claim 1, wherein: the infrared emission control module is used for controlling the infrared emitter to emit infrared signals; and the control terminal or the main control chip performs data statistics and establishes an infrared radiation diagram model according to the rotation angle of the infrared transmitter, the moving distance of the infrared receiver and the receiving power of the infrared receiver corresponding to different rotation angles and different moving distances, and draws an infrared radiation diagram according to the infrared radiation diagram model.
4. An infrared spatial signal strength measurement system according to claim 1, wherein: and after the main control chip acquires the receiving power of each position of the infrared receiver, the receiving power is transmitted to the control terminal at preset intervals, or the receiving power is transmitted to the control terminal every time the measured value of the receiving power is acquired, and the control terminal counts all data and draws an infrared radiation diagram.
5. An infrared spatial signal strength measurement system according to claim 1, wherein: the infrared receiver measures the received power of the infrared signal, and the measuring step comprises:
the infrared receiver is fixed at an initial position, the infrared transmitter starts from 0 degrees and rotates to 360 degrees under the control of the first driving motor, and the infrared receiver measures the received power of the infrared transmitter at different rotation angles from 0 degrees to 360 degrees at the initial position;
the infrared receiver moves to the next position along a preset track under the control of the second driving motor, the infrared emitter starts from 0 degrees and rotates to 360 degrees under the control of the first driving motor, and the infrared receiver measures the receiving power of the infrared emitter at the current position at different rotation angles from 0 degrees to 360 degrees;
and the like until the infrared receiver moves to the final position, and measuring the received power of the infrared transmitter at the final position at different rotation angles from 0 to 360 degrees.
6. An infrared spatial signal strength measurement system according to claim 1 or 5, characterized in that: the preset track is an arc track of 0-90 degrees, the initial position is 0 degree, and the final position is 90 degrees; alternatively, the initial position is 90 ° and the final position is 0 °.
7. An infrared spatial signal strength measurement system according to claim 1, wherein: the infrared transmitter rotates 360 degrees along with the rotating chassis, the infrared receiver moves along the arc-shaped guide rod, and the moving range is larger than or equal to 90 degrees.
8. An infrared spatial signal intensity measuring method, characterized by being carried out by using an infrared spatial signal intensity measuring system according to any one of claims 1 to 7.
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| CN113295107B (en) * | 2021-04-30 | 2023-04-07 | 北京元点未来科技有限公司 | Multi-view object scanning device for image processing |
| CN114509241A (en) * | 2022-01-18 | 2022-05-17 | 东莞市万德光电科技有限公司 | Human body induction infrared lens testing laboratory and testing method based on anthropomorphic dummy |
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| JP2012050562A (en) * | 2010-08-31 | 2012-03-15 | Fujifilm Corp | Radiation image capturing apparatus, radiation image capturing method, and program |
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